<div class="kunpo-button">
    <ui-button class="kunpo-button-common" @click="createGroup">创建分组</ui-button>
    <ui-button class="kunpo-button-common" @click="createEntity">创建实体</ui-button>
    <ui-button class="kunpo-button-common" v-if="hasSelectedEntity()" @click="copyEntity">复制实体</ui-button>
    <ui-button class="kunpo-button-refresh" @click="onRefresh">刷新</ui-button>
    <ui-button class="kunpo-button-export" @click="exportData">导出数据</ui-button>
</div>